What kind of hormones and genes or operons are responsible for the laughter caused due to tickling (gargalesis)?

09 September 2013 1 8K Report

Some people feel the tickling but some won't. Are there any genetic reasons for this? Also, are laughter and tickling linked to any single operon?

Muniza Zahid

Mostly Dopamine and sometimes adrenaline. I am not sure about the genes.

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